diff --git a/components/butterfly/src/rumor.rs b/components/butterfly/src/rumor.rs
index f6d59bb371..fcd94b2f6e 100644
--- a/components/butterfly/src/rumor.rs
+++ b/components/butterfly/src/rumor.rs
@@ -311,8 +311,7 @@ mod storage {
         /// * `RumorStore::list` (write)
         pub fn insert_rsw(&self, rumor: R) -> bool {
             let mut list = self.list.write();
-            let rumors = list.entry(String::from(rumor.key()))
-                             .or_insert_with(HashMap::new);
+            let rumors = list.entry(String::from(rumor.key())).or_default();
             let kind_ignored_count =
                 IGNORED_RUMOR_COUNT.with_label_values(&[&rumor.kind().to_string()]);
             // Result reveals if there was a change so we can increment the counter if needed.
diff --git a/components/butterfly/src/rumor/departure.rs b/components/butterfly/src/rumor/departure.rs
index 362e0f4478..9fe39edfcf 100644
--- a/components/butterfly/src/rumor/departure.rs
+++ b/components/butterfly/src/rumor/departure.rs
@@ -117,11 +117,10 @@ mod tests {
     }
 
     #[test]
-    #[should_panic(expected = "assertion failed")]
     fn departures_with_different_member_ids_are_not_equal() {
         let s1 = create_departure("mastodon");
         let s2 = create_departure("limpbizkit");
-        assert_eq!(s1, s2);
+        assert_ne!(s1, s2);
     }
 
     // Order
diff --git a/components/butterfly/src/rumor/service.rs b/components/butterfly/src/rumor/service.rs
index 693ecd4995..8ce96f8ed6 100644
--- a/components/butterfly/src/rumor/service.rs
+++ b/components/butterfly/src/rumor/service.rs
@@ -254,29 +254,26 @@ mod tests {
     }
 
     #[test]
-    #[should_panic(expected = "assertion failed")]
     fn services_with_different_member_ids_are_not_equal() {
         let s1 = create_service("adam");
         let s2 = create_service("shanku");
-        assert_eq!(s1, s2);
+        assert_ne!(s1, s2);
     }
 
     #[test]
-    #[should_panic(expected = "assertion failed")]
     fn services_with_different_incarnations_are_not_equal() {
         let s1 = create_service("adam");
         let mut s2 = create_service("adam");
         s2.incarnation = 1;
-        assert_eq!(s1, s2);
+        assert_ne!(s1, s2);
     }
 
     #[test]
-    #[should_panic(expected = "assertion failed")]
     fn services_with_different_service_groups_are_not_equal() {
         let s1 = create_service("adam");
         let mut s2 = create_service("adam");
         s2.service_group = ServiceGroup::from_str("adam.fragile").unwrap();
-        assert_eq!(s1, s2);
+        assert_ne!(s1, s2);
     }
 
     // Order
diff --git a/components/butterfly/src/rumor/service_config.rs b/components/butterfly/src/rumor/service_config.rs
index 36e2ffd47e..3533d80a2e 100644
--- a/components/butterfly/src/rumor/service_config.rs
+++ b/components/butterfly/src/rumor/service_config.rs
@@ -198,21 +198,19 @@ mod tests {
     }
 
     #[test]
-    #[should_panic(expected = "assertion failed")]
     fn service_configs_with_different_incarnations_are_not_equal() {
         let s1 = create_service_config("adam", "yep");
         let mut s2 = create_service_config("adam", "yep");
         s2.incarnation = 1;
-        assert_eq!(s1, s2);
+        assert_ne!(s1, s2);
     }
 
     #[test]
-    #[should_panic(expected = "assertion failed")]
     fn service_configs_with_different_service_groups_are_not_equal() {
         let s1 = create_service_config("adam", "yep");
         let mut s2 = create_service_config("adam", "yep");
         s2.service_group = ServiceGroup::from_str("adam.fragile").unwrap();
-        assert_eq!(s1, s2);
+        assert_ne!(s1, s2);
     }
 
     // Order
diff --git a/components/butterfly/src/rumor/service_file.rs b/components/butterfly/src/rumor/service_file.rs
index 9267b3cc70..7cf50bc1a2 100644
--- a/components/butterfly/src/rumor/service_file.rs
+++ b/components/butterfly/src/rumor/service_file.rs
@@ -172,21 +172,19 @@ mod tests {
     }
 
     #[test]
-    #[should_panic(expected = "assertion failed")]
     fn service_files_with_different_incarnations_are_not_equal() {
         let s1 = create_service_file("adam", "yep", "tcp-backlog = 128");
         let mut s2 = create_service_file("adam", "yep", "tcp-backlog = 128");
         s2.incarnation = 1;
-        assert_eq!(s1, s2);
+        assert_ne!(s1, s2);
     }
 
     #[test]
-    #[should_panic(expected = "assertion failed")]
     fn service_files_with_different_service_groups_are_not_equal() {
         let s1 = create_service_file("adam", "yep", "tcp-backlog = 128");
         let mut s2 = create_service_file("adam", "yep", "tcp-backlog = 128");
         s2.service_group = ServiceGroup::from_str("adam.fragile").unwrap();
-        assert_eq!(s1, s2);
+        assert_ne!(s1, s2);
     }
 
     // Order
diff --git a/components/common/src/package_graph.rs b/components/common/src/package_graph.rs
index f3895e0ae1..f5844e1f27 100644
--- a/components/common/src/package_graph.rs
+++ b/components/common/src/package_graph.rs
@@ -76,7 +76,7 @@ impl PackageGraph {
 
         for dep in deps {
             let dep_idx = self.node_idx(dep);
-            self.graph.extend_with_edges(&[(idx, dep_idx)]);
+            self.graph.extend_with_edges([(idx, dep_idx)]);
         }
 
         assert_eq!(self.graph.node_count(), self.nodes.len());
diff --git a/components/common/src/templating/config.rs b/components/common/src/templating/config.rs
index 284186bdf0..2837c24198 100644
--- a/components/common/src/templating/config.rs
+++ b/components/common/src/templating/config.rs
@@ -1094,9 +1094,9 @@ mod test {
         fs::create_dir_all(&dir_a).expect("create dir_a");
         fs::create_dir_all(&dir_c).expect("create dir_b and dir_c");
 
-        create_with_content(&dir_a.join("foo.txt"), "Hello world!");
-        create_with_content(&dir_b.join("bar.txt"), "Hello world!");
-        create_with_content(&dir_c.join("baz.txt"), "Hello world!");
+        create_with_content(dir_a.join("foo.txt"), "Hello world!");
+        create_with_content(dir_b.join("bar.txt"), "Hello world!");
+        create_with_content(dir_c.join("baz.txt"), "Hello world!");
 
         let renderer = load_templates(&input_dir, &PathBuf::new(), TemplateRenderer::new())
             .expect("visit config dirs");
diff --git a/components/core/src/crypto/keys/ring_key.rs b/components/core/src/crypto/keys/ring_key.rs
index febb6fe6fe..bf3fbdfd3b 100644
--- a/components/core/src/crypto/keys/ring_key.rs
+++ b/components/core/src/crypto/keys/ring_key.rs
@@ -7,8 +7,7 @@ use crate::{crypto::{keys::NamedRevision,
 /// Private module to re-export the various sodiumoxide concepts we
 /// use, to keep them all consolidated and abstracted.
 mod primitives {
-    pub use sodiumoxide::crypto::secretbox::{self,
-                                             gen_key,
+    pub use sodiumoxide::crypto::secretbox::{gen_key,
                                              gen_nonce,
                                              open,
                                              seal,
diff --git a/components/core/src/crypto/keys/signing.rs b/components/core/src/crypto/keys/signing.rs
index 93571f4fb2..dbb5aee4ef 100644
--- a/components/core/src/crypto/keys/signing.rs
+++ b/components/core/src/crypto/keys/signing.rs
@@ -143,7 +143,7 @@ mod tests {
         let key: SecretOriginSigningKey =
             fixture_key("keys/origin-key-valid-20160509190508.sig.key");
         let file_to_sign = fixture("signme.dat");
-        let signed_message = key.sign(&file_to_sign).unwrap();
+        let signed_message = key.sign(file_to_sign).unwrap();
         let expected = SIGNED_SIGNME_DAT_BLAKE2B_HASH.to_vec();
 
         assert_eq!(signed_message.len(), expected.len());
diff --git a/components/core/src/package/ident.rs b/components/core/src/package/ident.rs
index 3da80e0183..13896aa240 100644
--- a/components/core/src/package/ident.rs
+++ b/components/core/src/package/ident.rs
@@ -231,6 +231,7 @@ impl PartialOrd for PackageIdent {
     /// * If the names are not equal, they cannot be compared.
     /// * If the versions are greater/lesser, return that as the ordering.
     /// * If the versions are equal, return the greater/lesser for the release.
+    #[allow(clippy::non_canonical_partial_ord_impl)]
     fn partial_cmp(&self, other: &PackageIdent) -> Option<Ordering> {
         if self.name != other.name {
             return None;
diff --git a/components/core/src/package/install.rs b/components/core/src/package/install.rs
index dadbb01c6d..53b170c744 100644
--- a/components/core/src/package/install.rs
+++ b/components/core/src/package/install.rs
@@ -506,9 +506,7 @@ impl PackageInstall {
             paths.push(p);
         }
 
-        let ordered_pkgs = self.load_deps()?
-                               .into_iter()
-                               .chain(self.load_tdeps()?.into_iter());
+        let ordered_pkgs = self.load_deps()?.into_iter().chain(self.load_tdeps()?);
         for pkg in ordered_pkgs {
             for p in pkg.paths()? {
                 if seen.contains(&p) {
@@ -1091,7 +1089,7 @@ mod test {
             &pkg_install,
             MetaFile::Path,
             env::join_paths(
-                vec![
+                [
                     pkg_prefix_for(&pkg_install).join("bin"),
                     pkg_prefix_for(&other_pkg_install).join("bin"),
                     pkg_prefix_for(&other_pkg_install).join("sbin"),
@@ -1117,9 +1115,9 @@ mod test {
         // Create `RUNTIME_ENVIROMENT` metafile which has path entries from another package to
         // replicate certain older packages
         let path_val =
-            env::join_paths(vec![pkg_prefix_for(&pkg_install).join("bin"),
-                                 pkg_prefix_for(&other_pkg_install).join("bin"),
-                                 pkg_prefix_for(&other_pkg_install).join("sbin"),].iter()).unwrap();
+            env::join_paths([pkg_prefix_for(&pkg_install).join("bin"),
+                             pkg_prefix_for(&other_pkg_install).join("bin"),
+                             pkg_prefix_for(&other_pkg_install).join("sbin")].iter()).unwrap();
         write_metafile(&pkg_install,
                        MetaFile::RuntimeEnvironment,
                        &format!("PATH={}\n", path_val.to_string_lossy().as_ref()));
diff --git a/components/hab/src/command/bldr/job/promote.rs b/components/hab/src/command/bldr/job/promote.rs
index c3f0c3c525..b852c1007e 100644
--- a/components/hab/src/command/bldr/job/promote.rs
+++ b/components/hab/src/command/bldr/job/promote.rs
@@ -26,8 +26,8 @@ pub fn get_ident_list(ui: &mut UI,
     let mut idents: Vec<String> =
         group_status.projects
                     .iter()
+                    .filter(|&p| p.state == "Success" && in_origin(&p.ident, origin))
                     .cloned()
-                    .filter(|p| p.state == "Success" && in_origin(&p.ident, origin))
                     .map(|p| p.ident)
                     .collect();
 
diff --git a/components/hab/src/command/studio/docker.rs b/components/hab/src/command/studio/docker.rs
index b8dae7b8be..cbe6788e84 100644
--- a/components/hab/src/command/studio/docker.rs
+++ b/components/hab/src/command/studio/docker.rs
@@ -35,7 +35,7 @@ const HAB_STUDIO_SECRET: &str = "HAB_STUDIO_SECRET_";
 
 pub fn start_docker_studio(_ui: &mut UI, args: &[OsString]) -> Result<()> {
     let mut args = args.to_vec();
-    if args.get(0) == Some(&OsString::from("rm")) {
+    if args.first() == Some(&OsString::from("rm")) {
         return Err(Error::CannotRemoveDockerStudio);
     }
 
diff --git a/components/launcher/src/sys/windows/service.rs b/components/launcher/src/sys/windows/service.rs
index b180cc2f3b..d15b7488c2 100644
--- a/components/launcher/src/sys/windows/service.rs
+++ b/components/launcher/src/sys/windows/service.rs
@@ -192,8 +192,7 @@ fn build_proc_table() -> ProcessTable {
             let mut process_success: i32 = 1;
             // Loop through all processes until we find one where `szExeFile` == `name`.
             while process_success == 1 {
-                let children = table.entry(process_entry.th32ParentProcessID)
-                                    .or_insert_with(Vec::new);
+                let children = table.entry(process_entry.th32ParentProcessID).or_default();
                 (*children).push(process_entry.th32ProcessID);
                 process_success =
                     unsafe { tlhelp32::Process32NextW(processes_snap_handle, &mut process_entry) };
diff --git a/components/sup/src/census.rs b/components/sup/src/census.rs
index 5b360b067e..a5fb31bab8 100644
--- a/components/sup/src/census.rs
+++ b/components/sup/src/census.rs
@@ -497,9 +497,7 @@ impl CensusGroup {
         self.changed_service_files.clear();
         for (_m_id, service_file_rumor) in service_file_rumors.iter() {
             let filename = service_file_rumor.filename.to_string();
-            let file = self.service_files
-                           .entry(filename.clone())
-                           .or_insert_with(ServiceFile::default);
+            let file = self.service_files.entry(filename.clone()).or_default();
 
             if service_file_rumor.incarnation > file.incarnation {
                 match service_file_rumor.body(key_cache) {
diff --git a/components/sup/src/manager/peer_watcher.rs b/components/sup/src/manager/peer_watcher.rs
index d822f965a9..a5111a8692 100644
--- a/components/sup/src/manager/peer_watcher.rs
+++ b/components/sup/src/manager/peer_watcher.rs
@@ -212,7 +212,7 @@ mod tests {
         lock.unset();
         let mut members = peer_watcher_member_load_test(tmpdir.path(), &peer_lines).unwrap();
 
-        for mut member in &mut members {
+        for member in &mut members {
             member.id = String::new();
         }
         let member1 = Member { id: String::new(),
@@ -237,7 +237,7 @@ mod tests {
         lock.set("aarch64-darwin");
         let mut members = peer_watcher_member_load_test(tmpdir.path(), &peer_lines).unwrap();
         lock.unset();
-        for mut member in &mut members {
+        for member in &mut members {
             member.id = String::new();
         }
         let member1 = Member { id: String::new(),
diff --git a/components/sup/src/manager/service.rs b/components/sup/src/manager/service.rs
index 60c7354239..9d4ebf5209 100644
--- a/components/sup/src/manager/service.rs
+++ b/components/sup/src/manager/service.rs
@@ -1683,7 +1683,7 @@ impl From<&ServiceQueryModel> for habitat_sup_protocol::types::ServiceStatus {
 }
 
 #[cfg(test)]
-#[cfg(any(all(target_os = "linux", any(target_arch = "x86_64")),
+#[cfg(any(all(target_os = "linux", target_arch = "x86_64"),
           all(target_os = "windows", target_arch = "x86_64"),))]
 mod tests {
     use super::*;
diff --git a/components/sup/src/manager/service/supervisor.rs b/components/sup/src/manager/service/supervisor.rs
index a5c1b53a1b..62317f9eb3 100644
--- a/components/sup/src/manager/service/supervisor.rs
+++ b/components/sup/src/manager/service/supervisor.rs
@@ -423,7 +423,7 @@ fn read_pid<T>(pid_file: T) -> Option<Pid>
             match reader.lines().next() {
                 Some(Ok(line)) => {
                     match line.parse::<Pid>() {
-                        Ok(pid) if pid == 0 => {
+                        Ok(0) => {
                             error!(target: "pidfile_tracing", "Read PID of 0 from {}!", p.display());
                             // Treat this the same as a corrupt pid
                             // file, because that's basically what it
diff --git a/components/sup/src/sys/windows/service.rs b/components/sup/src/sys/windows/service.rs
index 579f8dd286..ef28fc5a7f 100644
--- a/components/sup/src/sys/windows/service.rs
+++ b/components/sup/src/sys/windows/service.rs
@@ -137,8 +137,7 @@ fn build_proc_table() -> ProcessTable {
             let mut process_success: i32 = 1;
             // Loop through all processes until we find one where `szExeFile` == `name`.
             while process_success == 1 {
-                let children = table.entry(process_entry.th32ParentProcessID)
-                                    .or_insert_with(Vec::new);
+                let children = table.entry(process_entry.th32ParentProcessID).or_default();
                 (*children).push(process_entry.th32ProcessID);
                 process_success =
                     unsafe { tlhelp32::Process32NextW(processes_snap_handle, &mut process_entry) };
diff --git a/components/sup/tests/utils/mod.rs b/components/sup/tests/utils/mod.rs
index 1c1d0e8a11..8e9c4555ef 100644
--- a/components/sup/tests/utils/mod.rs
+++ b/components/sup/tests/utils/mod.rs
@@ -8,9 +8,7 @@ pub mod test_sup;
 
 // Re-export the key structs of this package for ergonomics.
 pub use self::{fixture_root::FixtureRoot,
-               fs::{copy_dir,
-                    setup_package_files,
-                    FileSnapshot,
+               fs::{setup_package_files,
                     FileSystemSnapshot},
                hab_root::HabRoot,
                test_sup::TestSup};
diff --git a/rust-toolchain b/rust-toolchain
index 864d3c411a..7897a24d1a 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1,2 +1,2 @@
 [toolchain]
-channel = "1.68.2"
+channel = "1.75.0"